At the last stop for provisions before they make their climb into the snowy mountains of Colorado, the locals tease these teenaged tourists about their lack of preparation for such a cold and unforgiving frontier. Though they scoff, these unfortunate youths will soon learn why the old-timers claim that the mountains sometimes keep their dead. When they put out the 'TIRE CHAINS' signs, beware. It's not just the ice, it's the snow, too.